问题：
---Have we ________ food?.
--- Yes, ______. We’d better buy some.
A．run out of; we have run it out
B．run out of; our food has run out
C．run out; our food has been run out
D．run out; our food has run out
---Have we ________ food?.
--- Yes, ______. We’d better buy some.
--- Yes, ______. We’d better buy some.
| A．run out of; we have run it out | B．run out of; our food has run out |
| C．run out; our food has been run out | D．run out; our food has run out |
参考答案：